| Customization: | Available |
|---|---|
| Type: | Differential Pressure Transmitter |
| Structure Type: | Monocrystalline Silicon Pressure Transmitter |
|
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Overview
QYB401-DP monocrystalline silicon differential pressure transmitter adopts monocrystalline silicon sensor chip made of German advanced MEMS technology, double diaphragm protection structure, combined with superb production technology to achieve high accuracy and ultra-high stability of the product. Embedded with intelligent signal processing module, it realises the perfect combination of pressure and temperature compensation, providing reliable measurement accuracy and excellent long-term stability under a wide range of static pressure and temperature changes.
Main features
1.High precision grade
2.Strong load resistance
3.Double overload protection diaphragm design, single overpressure up to 25MPa, static pressure up to 40MPa
4.Excellent environmental adaptability
5.Excellent long-term stability
Flexible remote assistance commissioning function
Parameters
| Model | ||||||
| QYB401-DP | Smart Differential Pressure Transmitter | |||||
| Measuring media | ||||||
| Measurement of pressure in liquids, gases or vapours | ||||||
| Type of measurement | ||||||
| Gauge pressure measurement, differential pressure measurement | ||||||
| Output | ||||||
| 4~20mA+HART | ||||||
| 4~20mA+RS485 | ||||||
| FF Fieldbus Protocol | ||||||
| Measurement range (the following is the gauge pressure range, absolute pressure range, please consult an engineer) | ||||||
| Range Code | Range | Overload | Static pressure | |||
| 6k | -6KPa~6KPa | 16MPa | 25MPa | |||
| 40k | -40KPa~40KPa | 25MPa | 40MPa | |||
| 250k | -250KPa~250KPa | 25MPa | 40MPa | |||
| 1M | -1MPa~1MPa | 25MPa | 40MPa | |||
| 3M | -3MPa~3MPa | 25MPa | 40MPa | |||
| Reference accuracy (including linearity from zero, backlash, repeatability) | ||||||
| ±0.05% | ±0.075% | ±0.1% | ||||
| Reference accuracy for adjustable ranges (up to 100:1) | ||||||
| If TD>10 (TD=maximum range/adjustment range), then yes: | ||||||
| ±(0.005×TD)% | ±(0.0075×TD)% | ±(0.01×TD)% | ||||
| Square root output accuracy 1.5 times the linear reference accuracy | ||||||
| Overvoltage effects | ||||||
| ±0.05%*Span/10MPa | ||||||
| Long term stability | ||||||
| ±0.1%*Span/5 years | ||||||
| Power impact | ||||||
| 0.001%/10V(12~36)V DC, Negligible | ||||||
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